National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Merced / Castle Air Force Base (KMER)

Lat: 37.36667°NLon: 120.56667°WElev: 187.0ft.

Clear

N/A

Humidity NA
Wind Speed NNW 5 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update NA
Extended Forecast for

6 Miles ESE Denair CA

Heat Advisory September 9, 10:00am until September 10, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 67. North northwest wind around 5 mph.

    Low: 67 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 97. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 97 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. North northwest wind around 5 mph.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 67. North northwest wind around 5 mph.
Wednesday
Sunny, with a high near 97. Northwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 69. North northwest wind around 5 mph.
Thursday
Sunny, with a high near 98. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 65. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 93. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 61. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 86. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 57. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 84. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 57. Northwest wind 10 to 15 mph becoming light north northwest in the evening. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 58. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 87. West northwest wind around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Denair CA
 37.47°N 120.7°W (Elev. 154 ft)
Last Update:
11:56 pm PDT Sep 8, 2026
Forecast Valid:
12am PDT Sep 9, 2026-6pm PDT Sep 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation